diff --git a/Billing.Shared/Themes/BaseTheme.cs b/Billing.Shared/Themes/BaseTheme.cs
index b2d8dfe..4c4ad78 100644
--- a/Billing.Shared/Themes/BaseTheme.cs
+++ b/Billing.Shared/Themes/BaseTheme.cs
@@ -7,11 +7,7 @@ namespace Billing.Themes
     {
         public static Color CurrentPrimaryColor => (Color)Application.Current.Resources[PrimaryColor];
 
-        public const string CascadiaFontRegular = nameof(CascadiaFontRegular);
-        public const string CascadiaFontBold = nameof(CascadiaFontBold);
-        public const string RobotoCondensedFontRegular = nameof(RobotoCondensedFontRegular);
-        public const string RobotoCondensedFontBold = nameof(RobotoCondensedFontBold);
-        public const string BrandsFontRegular = nameof(BrandsFontRegular);
+        public const string FontBold = nameof(FontBold);
 
         public const string WindowBackgroundColor = nameof(WindowBackgroundColor);
         public const string OptionTintColor = nameof(OptionTintColor);
@@ -32,12 +28,8 @@ namespace Billing.Themes
 
         protected void InitResources()
         {
-            var robotoRegularFontFamily = Definition.GetRobotoCondensedRegularFontFamily();
-            Add(CascadiaFontRegular, Definition.GetCascadiaRegularFontFamily());
-            Add(CascadiaFontBold, Definition.GetCascadiaBoldFontFamily());
-            Add(RobotoCondensedFontRegular, Definition.GetRobotoCondensedRegularFontFamily());
-            Add(RobotoCondensedFontBold, Definition.GetRobotoCondensedBoldFontFamily());
-            Add(BrandsFontRegular, Definition.GetBrandsFontFamily());
+            var regularFontFamily = Definition.GetRegularFontFamily();
+            Add(FontBold, Definition.GetBoldFontFamily());
 
             Add(PrimaryColor, PrimaryMauiColor);
             Add(SecondaryColor, SecondaryMauiColor);
@@ -49,7 +41,7 @@ namespace Billing.Themes
                 {
                     new Setter { Property = Label.FontSizeProperty, Value = Device.GetNamedSize(NamedSize.Small, typeof(Label)) },
                     new Setter { Property = Label.TextColorProperty, Value = PrimaryMauiColor },
-                    new Setter { Property = Label.FontFamilyProperty, Value = robotoRegularFontFamily }
+                    new Setter { Property = Label.FontFamilyProperty, Value = regularFontFamily }
                 }
             });
             Add(new Style(typeof(OptionEntry))
@@ -57,7 +49,7 @@ namespace Billing.Themes
                 Setters =
                 {
                     new Setter { Property = Entry.FontSizeProperty, Value = Device.GetNamedSize(NamedSize.Small, typeof(Entry)) },
-                    new Setter { Property = Entry.FontFamilyProperty, Value = robotoRegularFontFamily }
+                    new Setter { Property = Entry.FontFamilyProperty, Value = regularFontFamily }
                 }
             });
             Add(new Style(typeof(OptionEditor))
@@ -65,7 +57,7 @@ namespace Billing.Themes
                 Setters =
                 {
                     new Setter { Property = Editor.FontSizeProperty, Value = Device.GetNamedSize(NamedSize.Small, typeof(Editor)) },
-                    new Setter { Property = Editor.FontFamilyProperty, Value = robotoRegularFontFamily }
+                    new Setter { Property = Editor.FontFamilyProperty, Value = regularFontFamily }
                 }
             });
             Add(new Style(typeof(OptionDatePicker))
@@ -73,7 +65,7 @@ namespace Billing.Themes
                 Setters =
                 {
                     new Setter { Property = DatePicker.FontSizeProperty, Value = Device.GetNamedSize(NamedSize.Small, typeof(DatePicker)) },
-                    new Setter { Property = DatePicker.FontFamilyProperty, Value = robotoRegularFontFamily }
+                    new Setter { Property = DatePicker.FontFamilyProperty, Value = regularFontFamily }
                 }
             });
             Add(new Style(typeof(OptionTimePicker))
@@ -81,7 +73,7 @@ namespace Billing.Themes
                 Setters =
                 {
                     new Setter { Property = TimePicker.FontSizeProperty, Value = Device.GetNamedSize(NamedSize.Small, typeof(TimePicker)) },
-                    new Setter { Property = TimePicker.FontFamilyProperty, Value = robotoRegularFontFamily }
+                    new Setter { Property = TimePicker.FontFamilyProperty, Value = regularFontFamily }
                 }
             });
             Add(new Style(typeof(Button))
@@ -89,7 +81,7 @@ namespace Billing.Themes
                 Setters =
                 {
                     new Setter { Property = Button.TextColorProperty, Value = SecondaryMauiColor },
-                    new Setter { Property = Button.FontFamilyProperty, Value = robotoRegularFontFamily },
+                    new Setter { Property = Button.FontFamilyProperty, Value = regularFontFamily },
                     new Setter { Property = VisualElement.BackgroundColorProperty, Value = PrimaryMauiColor },
                     new Setter { Property = Button.PaddingProperty, Value = new Thickness(14, 10) }
                 }
diff --git a/Billing.Shared/UI/BillingDate.xaml b/Billing.Shared/UI/BillingDate.xaml
index 9ab73a0..d0d6d18 100644
--- a/Billing.Shared/UI/BillingDate.xaml
+++ b/Billing.Shared/UI/BillingDate.xaml
@@ -17,7 +17,7 @@
             <Setter Property="HorizontalOptions" Value="Center"/>
         </Style>
         <ControlTemplate x:Key="weekDay">
-            <Grid Padding="0, 8, 0, 0" RowDefinitions="Auto, 3" RowSpacing="{OnPlatform Android=0, iOS=4}">
+            <Grid Padding="0, 8, 0, 0" RowDefinitions="Auto, 3" RowSpacing="4">
                 <Grid.GestureRecognizers>
                     <TapGestureRecognizer Command="{Binding OnDayTapped, Source={x:Reference billingDate}}" CommandParameter="{TemplateBinding BillingDay}"/>
                 </Grid.GestureRecognizers>
@@ -32,7 +32,7 @@
             </Grid>
         </ControlTemplate>
         <ControlTemplate x:Key="weekEnd">
-            <Grid Padding="0, 8, 0, 0" RowDefinitions="Auto, 3" RowSpacing="{OnPlatform Android=0, iOS=4}">
+            <Grid Padding="0, 8, 0, 0" RowDefinitions="Auto, 3" RowSpacing="4">
                 <Grid.GestureRecognizers>
                     <TapGestureRecognizer Command="{Binding OnDayTapped, Source={x:Reference billingDate}}" CommandParameter="{TemplateBinding BillingDay}"/>
                 </Grid.GestureRecognizers>
diff --git a/Billing.Shared/UI/BillingDate.xaml.cs b/Billing.Shared/UI/BillingDate.xaml.cs
index a87ed25..ec547cc 100644
--- a/Billing.Shared/UI/BillingDate.xaml.cs
+++ b/Billing.Shared/UI/BillingDate.xaml.cs
@@ -221,7 +221,7 @@ namespace Billing.UI
     {
         public static readonly BindableProperty DateProperty = BindableProperty.Create(nameof(Date), typeof(DateTime), typeof(BillingDay), propertyChanged: OnDatePropertyChanged);
         public static readonly BindableProperty TextProperty = BindableProperty.Create(nameof(Text), typeof(string), typeof(BillingDay));
-        public static readonly BindableProperty FontFamilyProperty = BindableProperty.Create(nameof(FontFamily), typeof(string), typeof(BillingDay), defaultValue: Definition.GetCascadiaRegularFontFamily());
+        public static readonly BindableProperty FontFamilyProperty = BindableProperty.Create(nameof(FontFamily), typeof(string), typeof(BillingDay), defaultValue: Definition.GetRegularFontFamily());
         public static readonly BindableProperty IsSelectedProperty = BindableProperty.Create(nameof(IsSelected), typeof(bool), typeof(BillingDay));
         public static readonly BindableProperty OpacityProperty = BindableProperty.Create(nameof(Opacity), typeof(double), typeof(BillingDay), defaultValue: 1.0);
         public static readonly BindableProperty TextOpacityProperty = BindableProperty.Create(nameof(TextOpacity), typeof(double), typeof(BillingDay), defaultValue: 1.0);
@@ -271,11 +271,11 @@ namespace Billing.UI
             if (date.Year == selected.Year && date.DayOfYear == selected.DayOfYear)
             {
                 SetValue(IsSelectedProperty, true);
-                SetValue(FontFamilyProperty, Definition.GetCascadiaBoldFontFamily());
+                SetValue(FontFamilyProperty, Definition.GetBoldFontFamily());
             }
             else
             {
-                SetValue(FontFamilyProperty, Definition.GetCascadiaRegularFontFamily());
+                SetValue(FontFamilyProperty, Definition.GetRegularFontFamily());
             }
             if (date.Year == selected.Year && date.Month == selected.Month)
             {
diff --git a/Billing.Shared/UI/Definition.cs b/Billing.Shared/UI/Definition.cs
index eecbcab..9e04726 100644
--- a/Billing.Shared/UI/Definition.cs
+++ b/Billing.Shared/UI/Definition.cs
@@ -13,10 +13,8 @@ namespace Billing.UI
     {
         public static string PrimaryColorKey = "PrimaryColor";
         public static partial (string main, long build) GetVersion();
-        public static partial string GetCascadiaRegularFontFamily();
-        public static partial string GetCascadiaBoldFontFamily();
-        public static partial string GetRobotoCondensedRegularFontFamily();
-        public static partial string GetRobotoCondensedBoldFontFamily();
+        public static partial string GetRegularFontFamily();
+        public static partial string GetBoldFontFamily();
         public static partial string GetBrandsFontFamily();
     }
 
diff --git a/Billing.Shared/Views/AccountPage.xaml b/Billing.Shared/Views/AccountPage.xaml
index 2405801..041e140 100644
--- a/Billing.Shared/Views/AccountPage.xaml
+++ b/Billing.Shared/Views/AccountPage.xaml
@@ -30,7 +30,7 @@
                 </Grid.Effects>-->
                 <StackLayout VerticalOptions="Center" Margin="20, 0" Spacing="0">
                     <Label FontSize="Small" Text="{r:Text Balance}"/>
-                    <Label FontSize="24" FontFamily="{DynamicResource RobotoCondensedFontBold}"
+                    <Label FontSize="24" FontFamily="{DynamicResource FontBold}"
                            Text="{Binding Balance, Converter={StaticResource moneyConverter}}"/>
                 </StackLayout>
                 <Grid Grid.Column="1" Margin="20, 0" VerticalOptions="Center" HorizontalOptions="End"
diff --git a/Billing.Shared/Views/BillPage.xaml b/Billing.Shared/Views/BillPage.xaml
index 03a94a8..7ea309c 100644
--- a/Billing.Shared/Views/BillPage.xaml
+++ b/Billing.Shared/Views/BillPage.xaml
@@ -28,7 +28,6 @@
                               VerticalOptions="Center" LongCommand="{Binding TitleLongPressed}">
                 <Label Text="{Binding SelectedDate, Converter={StaticResource titleDateConverter}}"
                        TextColor="{DynamicResource PrimaryColor}"
-                       FontFamily="{DynamicResource RobotoCondensedFontBold}"
                        FontAttributes="Bold" FontSize="20"/>
             </ui:LongPressGrid>
         </Grid>
diff --git a/Billing/Billing.Android/Assets/CascadiaCode-Bold.ttf b/Billing/Billing.Android/Assets/CascadiaCode-Bold.ttf
deleted file mode 100644
index 72183ac..0000000
Binary files a/Billing/Billing.Android/Assets/CascadiaCode-Bold.ttf and /dev/null differ
diff --git a/Billing/Billing.Android/Assets/CascadiaCode-Regular.ttf b/Billing/Billing.Android/Assets/CascadiaCode-Regular.ttf
deleted file mode 100644
index 70a54fa..0000000
Binary files a/Billing/Billing.Android/Assets/CascadiaCode-Regular.ttf and /dev/null differ
diff --git a/Billing/Billing.Android/Assets/OpenSans-Bold.ttf b/Billing/Billing.Android/Assets/OpenSans-Bold.ttf
new file mode 100644
index 0000000..4d8f3e5
Binary files /dev/null and b/Billing/Billing.Android/Assets/OpenSans-Bold.ttf differ
diff --git a/Billing/Billing.Android/Assets/OpenSans-Regular.ttf b/Billing/Billing.Android/Assets/OpenSans-Regular.ttf
new file mode 100644
index 0000000..3a29f26
Binary files /dev/null and b/Billing/Billing.Android/Assets/OpenSans-Regular.ttf differ
diff --git a/Billing/Billing.Android/Assets/RobotoCondensed-Bold.ttf b/Billing/Billing.Android/Assets/RobotoCondensed-Bold.ttf
deleted file mode 100644
index c807004..0000000
Binary files a/Billing/Billing.Android/Assets/RobotoCondensed-Bold.ttf and /dev/null differ
diff --git a/Billing/Billing.Android/Assets/RobotoCondensed-Regular.ttf b/Billing/Billing.Android/Assets/RobotoCondensed-Regular.ttf
deleted file mode 100644
index 17e8ea5..0000000
Binary files a/Billing/Billing.Android/Assets/RobotoCondensed-Regular.ttf and /dev/null differ
diff --git a/Billing/Billing.Android/Billing.Android.csproj b/Billing/Billing.Android/Billing.Android.csproj
index ffa0663..7f179fb 100644
--- a/Billing/Billing.Android/Billing.Android.csproj
+++ b/Billing/Billing.Android/Billing.Android.csproj
@@ -86,11 +86,9 @@
     <Compile Include="SplashActivity.cs" />
   </ItemGroup>
   <ItemGroup>
-    <AndroidAsset Include="Assets\CascadiaCode-Bold.ttf" />
-    <AndroidAsset Include="Assets\CascadiaCode-Regular.ttf" />
-    <AndroidAsset Include="Assets\RobotoCondensed-Regular.ttf" />
-    <AndroidAsset Include="Assets\RobotoCondensed-Bold.ttf" />
     <AndroidAsset Include="Assets\fa-brands-400.ttf" />
+    <AndroidAsset Include="Assets\OpenSans-Bold.ttf" />
+    <AndroidAsset Include="Assets\OpenSans-Regular.ttf" />
     <None Include="Resources\AboutResources.txt" />
     <None Include="Assets\AboutAssets.txt" />
     <None Include="Properties\AndroidManifest.xml" />
diff --git a/Billing/Billing.Android/Definition.cs b/Billing/Billing.Android/Definition.cs
index 16ebce1..be88aa1 100644
--- a/Billing/Billing.Android/Definition.cs
+++ b/Billing/Billing.Android/Definition.cs
@@ -13,10 +13,8 @@
 
             return (version, build);
         }
-        public static partial string GetCascadiaRegularFontFamily() => "CascadiaCode-Regular.ttf#CascadiaCode-Regular";
-        public static partial string GetCascadiaBoldFontFamily() => "CascadiaCode-Bold.ttf#CascadiaCode-Bold";
-        public static partial string GetRobotoCondensedRegularFontFamily() => "RobotoCondensed-Regular.ttf#RobotoCondensed-Regular";
-        public static partial string GetRobotoCondensedBoldFontFamily() => "RobotoCondensed-Bold.ttf#RobotoCondensed-Bold";
+        public static partial string GetRegularFontFamily() => "OpenSans-Regular.ttf#OpenSans-Regular";
+        public static partial string GetBoldFontFamily() => "OpenSans-Bold.ttf#OpenSans-Bold";
         public static partial string GetBrandsFontFamily() => "fa-brands-400.ttf#FontAwesome6Brands-Regular";
     }
 }
\ No newline at end of file
diff --git a/Billing/Billing.Android/Properties/AndroidManifest.xml b/Billing/Billing.Android/Properties/AndroidManifest.xml
index dd74d19..8c5af44 100644
--- a/Billing/Billing.Android/Properties/AndroidManifest.xml
+++ b/Billing/Billing.Android/Properties/AndroidManifest.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<manifest xmlns:android="http://schemas.android.com/apk/res/android" android:versionCode="6" android:versionName="0.6.307" package="org.tsanie.billing" android:installLocation="auto">
+<manifest xmlns:android="http://schemas.android.com/apk/res/android" android:versionCode="7" android:versionName="0.7.308" package="org.tsanie.billing" android:installLocation="auto">
 	<uses-sdk android:minSdkVersion="24" android:targetSdkVersion="31" />
 	<application android:label="@string/applabel" android:theme="@style/MainTheme"></application>
 	<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
diff --git a/Billing/Billing.iOS/Billing.iOS.csproj b/Billing/Billing.iOS/Billing.iOS.csproj
index 264e97e..967ac90 100644
--- a/Billing/Billing.iOS/Billing.iOS.csproj
+++ b/Billing/Billing.iOS/Billing.iOS.csproj
@@ -80,15 +80,13 @@
     <None Include="Info.plist" />
     <Compile Include="PlatformCulture.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
-    <BundleResource Include="Resources\RobotoCondensed-Regular.ttf" />
-    <BundleResource Include="Resources\RobotoCondensed-Bold.ttf" />
-    <BundleResource Include="Resources\CascadiaCode-Bold.ttf" />
-    <BundleResource Include="Resources\CascadiaCode-Regular.ttf" />
     <BundleResource Include="Resources\fa-brands-400.ttf" />
     <BundleResource Include="Base.lproj\InfoPlist.strings" />
     <BundleResource Include="en.lproj\InfoPlist.strings" />
     <BundleResource Include="zh-Hans.lproj\InfoPlist.strings" />
     <Compile Include="Renderers\BillingPageRenderer.cs" />
+    <BundleResource Include="Resources\OpenSans-Bold.ttf" />
+    <BundleResource Include="Resources\OpenSans-Regular.ttf" />
   </ItemGroup>
   <ItemGroup>
     <ImageAsset Include="Assets.xcassets\AppIcon.appiconset\Contents.json">
diff --git a/Billing/Billing.iOS/Definition.cs b/Billing/Billing.iOS/Definition.cs
index 9aeed0c..32cb352 100644
--- a/Billing/Billing.iOS/Definition.cs
+++ b/Billing/Billing.iOS/Definition.cs
@@ -6,10 +6,8 @@
             Foundation.NSBundle.MainBundle.ObjectForInfoDictionary("CFBundleShortVersionString").ToString(),
             int.Parse(Foundation.NSBundle.MainBundle.ObjectForInfoDictionary("CFBundleVersion").ToString())
             );
-        public static partial string GetCascadiaRegularFontFamily() => "CascadiaCode-Regular";
-        public static partial string GetCascadiaBoldFontFamily() => "CascadiaCode-Bold";
-        public static partial string GetRobotoCondensedRegularFontFamily() => "RobotoCondensed-Regular";
-        public static partial string GetRobotoCondensedBoldFontFamily() => "RobotoCondensed-Bold";
+        public static partial string GetRegularFontFamily() => "OpenSans-Regular";
+        public static partial string GetBoldFontFamily() => "OpenSans-Bold";
         public static partial string GetBrandsFontFamily() => "FontAwesome6Brands-Regular";
     }
 }
\ No newline at end of file
diff --git a/Billing/Billing.iOS/Info.plist b/Billing/Billing.iOS/Info.plist
index e75ea94..799ef0e 100644
--- a/Billing/Billing.iOS/Info.plist
+++ b/Billing/Billing.iOS/Info.plist
@@ -36,17 +36,15 @@
 	<string>China</string>
 	<key>UIAppFonts</key>
 	<array>
-		<string>RobotoCondensed-Regular.ttf</string>
-		<string>RobotoCondensed-Bold.ttf</string>
-		<string>CascadiaCode-Bold.ttf</string>
-		<string>CascadiaCode-Regular.ttf</string>
 		<string>fa-brands-400.ttf</string>
+		<string>OpenSans-Bold.ttf</string>
+		<string>OpenSans-Regular.ttf</string>
 	</array>
 	<key>UIFileSharingEnabled</key>
 	<true/>
 	<key>CFBundleVersion</key>
-	<string>6</string>
+	<string>7</string>
 	<key>CFBundleShortVersionString</key>
-	<string>0.6.307</string>
+	<string>0.7.308</string>
 </dict>
 </plist>
diff --git a/Billing/Billing.iOS/Resources/CascadiaCode-Bold.ttf b/Billing/Billing.iOS/Resources/CascadiaCode-Bold.ttf
deleted file mode 100644
index 9218232..0000000
Binary files a/Billing/Billing.iOS/Resources/CascadiaCode-Bold.ttf and /dev/null differ
diff --git a/Billing/Billing.iOS/Resources/CascadiaCode-Regular.ttf b/Billing/Billing.iOS/Resources/CascadiaCode-Regular.ttf
deleted file mode 100644
index 685374a..0000000
Binary files a/Billing/Billing.iOS/Resources/CascadiaCode-Regular.ttf and /dev/null differ
diff --git a/Billing/Billing.iOS/Resources/OpenSans-Bold.ttf b/Billing/Billing.iOS/Resources/OpenSans-Bold.ttf
new file mode 100644
index 0000000..4d8f3e5
Binary files /dev/null and b/Billing/Billing.iOS/Resources/OpenSans-Bold.ttf differ
diff --git a/Billing/Billing.iOS/Resources/OpenSans-Regular.ttf b/Billing/Billing.iOS/Resources/OpenSans-Regular.ttf
new file mode 100644
index 0000000..3a29f26
Binary files /dev/null and b/Billing/Billing.iOS/Resources/OpenSans-Regular.ttf differ
diff --git a/Billing/Billing.iOS/Resources/RobotoCondensed-Bold.ttf b/Billing/Billing.iOS/Resources/RobotoCondensed-Bold.ttf
deleted file mode 100644
index c807004..0000000
Binary files a/Billing/Billing.iOS/Resources/RobotoCondensed-Bold.ttf and /dev/null differ
diff --git a/Billing/Billing.iOS/Resources/RobotoCondensed-Regular.ttf b/Billing/Billing.iOS/Resources/RobotoCondensed-Regular.ttf
deleted file mode 100644
index 17e8ea5..0000000
Binary files a/Billing/Billing.iOS/Resources/RobotoCondensed-Regular.ttf and /dev/null differ